As of March 23, 2026, the three largest insider holders of PLRX are Rock Ventures Iii, L.P. Third (TenPercentOwner, 1.84Mn shares), Bernard Coulie (President And Ceo, 505.60K shares), Bernard Coulie (President And Ceo, 409.32K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rock Ventures Iii, L.P. Third | 1,839,160 | 0 | 01 Dec, 2022 | |
| Bernard Coulie | President And Ceo | 505,601 | 0 | 22 Jan, 2026 |
| Bernard Coulie | President And Ceo | 0 | 409,317 | 27 Jan, 2023 |
| Keith Lamont Cummings | Chief Financial Officer | 297,214 | 0 | 22 Jan, 2026 |
| Hans Hull | Chief Business Officer | 251,708 | 0 | 27 Jan, 2025 |
| Eric Lefebvre | Chief Medical Officer | 240,224 | 0 | 27 Jan, 2025 |
| Mike Ouimette | General Counsel Corp. Sec'Y | 105,544 | 0 | 27 Jan, 2025 |
| Lily Cheung | Chief Human Resource Officer | 44,847 | 0 | 22 Jan, 2026 |
| Minnie Kuo | Chief Operating Officer | 37,806 | 0 | 22 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 22 Jan, 2026 | Bernard Coulie | Stock Option (Right to Buy) | A | 1,230,000 | $0.00 | 1,230,000 | D | A |
| 22 Jan, 2026 | Keith Lamont Cummings | Stock Option (Right to Buy) | A | 400,000 | $0.00 | 400,000 | D | A |
| 22 Jan, 2026 | Lily Cheung | Stock Option (Right to Buy) | A | 300,000 | $0.00 | 300,000 | D | A |
| 22 Jan, 2026 | Minnie Kuo | Stock Option (Right to Buy) | A | 300,000 | $0.00 | 300,000 | D | A |
| 20 Jan, 2026 | Minnie Kuo | Common Stock | D | 6,917 | $1.28 | 37,806 | D | S |
| 20 Jan, 2026 | Keith Lamont Cummings | Common Stock | D | 24,002 | $1.28 | 297,214 | D | S |
| 20 Jan, 2026 | Bernard Coulie | Common Stock | D | 89,375 | $1.28 | 505,601 | D | S |
| 20 Jan, 2026 | Lily Cheung | Common Stock | D | 7,534 | $1.28 | 44,847 | D | S |
| 05 Jun, 2025 | Steve E. Krognes | Common Stock (Right to Buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 05 Jun, 2025 | John T Curnutte | Common Stock (Right to Buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 05 Jun, 2025 | Darren S Cline | Common Stock (Right to Buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 05 Jun, 2025 | Katharine Knobil | Common Stock (Right to Buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 05 Jun, 2025 | David E I Pyott | Common Stock (Right to Buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 23 Jan, 2025 | Bernard Coulie | Common Stock | A | 162,500 | $0.00 | 593,017 | D | A |
| 23 Jan, 2025 | Eric Lefebvre | Common Stock | A | 45,650 | $0.00 | 240,224 | D | A |
| 23 Jan, 2025 | Lily Cheung | Common Stock | A | 25,875 | $0.00 | 50,425 | D | A |
| 23 Jan, 2025 | Hans Hull | Common Stock | A | 40,150 | $0.00 | 251,708 | D | A |
| 23 Jan, 2025 | Keith Lamont Cummings | Common Stock | A | 56,650 | $0.00 | 319,258 | D | A |
| 23 Jan, 2025 | Mike Ouimette | Common Stock | A | 35,000 | $0.00 | 105,544 | D | A |
| 23 Jan, 2025 | Mike Ouimette | Stock Option (Right to Buy) | A | 70,000 | $0.00 | 70,000 | D | A |